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산업공생 (Industrial Symbiosis) 을 통한 생태산업공단 조성 방안
김좌관 한국환경과학회 2000 한국환경과학회지 Vol.9 No.2
This study is focused on the industrial symbiosis based on industrial ecosystem theory. At first, the concept of industrial ecosystem was introduced. Industrial symbiosis is a good tool in order to make a harmony between industry and natural ecosystem. The good example of industrial symbiosis is the case of Kalundborg in Denmark, where 11 networks are working in four enterprises and one community nearby. It was proved that savings of natural resources and economic benefit are achieved by use of industrial symbiosis. Moreover, the control of pollutant emission was also done by use of advanced technology and investments. Based on this case, It was shown that industrial symbiosis through eco-industrial complex in Korea was confronted with many difficulties. First of all, loose emmision criteria, recycling system on wastes, and the absence of will for industrial symbiosis should be solved in Korea.
김좌관 경성대학교 생산기술연구소 1994 생산기술연구지 Vol.1 No.-
The purpose of this study is to develop a series of theoretical modeling process for lake water quality. Also, this study offers rational developing process of lake water quality and reduces trial-errors in modeling process. The most important parameters in modeling process are determined as temporal and spatial-scale resolution in model. At first, We must be set up an objective of model that be developed. Therefore, Second, The number and kind of state variable must be determined. Another parameters influencing temporal and spatial-scale, I think, are about the morphological and hydrological properties, and substance's properties. Especially, Because domestic reservoirs have different properties from natural lakes in foreign countries, We must consider morphological and hydrological properties of domestic reservoirs more carefully. Usually, two- dimensional scales in spatial scale resolution are required among domestic artificial lakes. Finally, temporal and spatial-scale are linked to each other and they can be understood using Froude nunbers. Temporal scales are classified as steady state and dynamic state.